for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-591048492995.mit-edu.top",cType: 'managed',cRay: '90f66d540badc97f',cH: 'nJEpGthbBKa_sT6lvQjhkjUFqV7S9xzkLowqAdMWQMA-1739131031-1.2.1.1-TJSp9zLXe1.eX0NwkK1BoND0f29hGBIINdwQY5CMfCG.WC6E_GL8BpyRJWZbaJ3h',cUPMDTk: "\/post\/1862305974?__cf_chl_tk=EinKMpv8zbHRflItBRIQZg2AUBgz6BCoBw.GbqvqwDY-1739131031-1.0.1.1-Kp3_bxn9EWO7Whc8o194yewHJG_chQiWe_vV9wOUhY8",cFPWv: 'g',cITimeS: '1739131031',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1862305974?__cf_chl_f_tk=EinKMpv8zbHRflItBRIQZg2AUBgz6BCoBw.GbqvqwDY-1739131031-1.0.1.1-Kp3_bxn9EWO7Whc8o194yewHJG_chQiWe_vV9wOUhY8",md: "BsAsY37BsUnc2dCF2U7oLHzwig6nVwpimQcIAqt25vE-1739131031-1.2.1.1-roNVoQZxoPcvrWBEqvSOP9d3GfXnfC2mfveG.Whl9SJSzM9j5RlINzGVATkImkN2X9pa3sCUH506NWW6LjAnzIksAVOkdptPhBQyAyklOq5zC2o9S6JWMyVJLvT84Wt5q7p7xl9YY6Pn2f1iRFFbpaXubHDBVpk5GTEoxviTxDgKsbcMD2E99SjjJOQ8FlnU5P8N3hIVCn9Z9x.X7h6fvXDJecraF7x_5wshuGA3aXc5WOVr.dvhD3uYKrpyvOsDpp4MDtqJ7temeGFtxc68S_lvdTeGSLZQUxUBY8JmxmT7_HGcYmlkafcr6Qz4rdTxdDY6Z2HzA8y5ezKrtsxdlKWYZuoWZwgt8GEamkUIrHhfhUYeHhWBycZTCEvewe.FPH0ZqS2fkucAhBZS1fCMLhQXz41VLr8teODunrAT3Dr4vwk7S_lH_p6KjyUOj.20J0iHvPX_H8hJi2OMyTxhf7AMqRQ4dGd_lVV1NAv7kfJB6_..6WmMTVbSw6YSLOOBQgsqwFXCKp6fAaGVHFwzndSAfk2mhVvbyXeutCWF91vAUAqd7vGQ3FuoqRwxXXv4KiqPq9c.DY6UAJqPmIwIDSuMnsDpmP7CN0WFMVOQxGKM0Yc.HLTkukZjtgohq74YAUwzDO_nNruFc20Xwz95igoBkWf0LothhLdpapLreTenyD8T0bu.pNFe115WSrVHrIyex3X6ASFfVlxMKwhInbwutk83ELhYsNwZZbVMc1zg_ftRNlHf4Yw7gVP5JzcXo5j76ZdIFUTfuQpnU4RkLb7YKq0qTdoWbdVFxAOIwYfYDtSBLKjCXKTMVp62EfipL3CPvv6CA3ErFZbB11RH50COphOUnnac3sd4f_e_geW5hYJaDDI_QeHFJx2FjsYHNAFxv0i69qmvLmnIf8QizRQaFxEDcTAY3QBXaLLBI0pj0sWHYE1kXaofqb3kWWNtdnp0ZdDNq8mz8cZKozYybgIvD6AgmxRdNh36qTc3Pd0ul5b0XTB1toIqKdx9_l9twcjz1oHRrRETydRtPFM.bMf4LC_Aae7WwJNwMEyfjxrbmzudp06RYL7k2m1aTt3.PY2zfxMpel.3h9LJOheOJ4qQYCzV.41y_UAvHsK7LvspAsuxbxi2SzD31rzETre5ymHWc3kvF0_DzsWEsKMBSyBu4HJEVR3UzNMOuy7VRhklmvceRgl6ZzMVTX.mp0nBAJps4L6BO1Mc5OokMGipOZs9uY5MhUHAYubastTJceBBMpnT4z8_JUDWeepMyZomvrIa4xUW0P9yAKG2OLGGDSG2whMy5t6.nDTPPRbmBWgogToes1eh4LsqhFYoNhoq4tQxkWkeI32iEr4.xQHj3VVXiXG28hF8MhK7raNi5cWThSTS9QuBJSjw5Q7OJDjpkeOniMTw4tTSzEZIMxREij0m2PPAthIVSVr.PXKbg3vMRVqws_6.Ct2dCc2Bil3kUhWNuHE3vsqnd60_Qi76Tm5NTgoN67k2V1feogzjXCbErFZcfmJTzERv5qMvFvNXBVsZRX4K4Q.i9KUN7lP8LbBxk7Ixs4xFEpnoYoFiwW38XHIv4ZgIphFy1.OqyUAUeye9vCREoZPHN1v0yZ_58no.kxm8pXa3pMe27155z1Q7FMeNXfDnWvxs.JWWU9wpKH7A9DcGfqKDz75BJMsngSEvEX3Epekb3bNlrTLmLuKsoFawNlF7WC_3H055l6ngw1s5QPgwe4DEh8etCbsZN1QKN_.uIsAbf.j5.e3jxHdEis.cst7b5RyraAFZfBIo8gFF8zxlnbcOhrhP6Q2._7UOt7RqFrHpLAinkLa3M2mgsA5IRdSXOw8j5ZXW2BjeqOpHJqApCL4H5yFveE11Y3RiaORHREi2N8L_gJI.IBizWeHkVhkUYf4XPqWKTAMF2BQO5z8vE1j1yueXCFKV.XTwr5J6AfmGAmGfjaRC.iQcC9VaSvRS3rcDQVmyIVefZkyEYm1uua0lVLh2mdGMnn69m7hAdC18Kf8YQVzEnNA1m2idFEbVBtyK_xlaW15FJfRFi1Vb4CqJECGaZU01RlxN4h4W6wPivjaCHJfksxD1GRwDil0e0lAAgqKpTmhYOJjRkTV0O85akgnpByACeI9C78LcVhCSEMDJVpeoQAVZzFP7aJ7hJWlmBrAbVTX7Fyajynq5eKtrCWK5Zh7eiHZpqhZIHgQqROg__dC6.lZ2LEZbJlvytHuAjGP7obD2",mdrd: "YVGKXLvYj44C03qrxw4MqYrOi6CiZN27BDvkVlj3RoU-1739131031-1.2.1.1-LY3KpRTATHMJxT1s7pYRnO5ZomxavzmWVk36_EDVfpx5OJ7ZOS9nZGKudXMaP6b81KluOg20MWMLlSxjwFfwX4.zn6_FkMNPb.Mul2k_LIAUQLYo6gUTtNqxEPh20zsF74LxkaXRrdc38QeKqy6ozQr6ofIigR5LglF0EKOQDzV4S_1gIUghqIsqQ1heBPOHVvrUmEy8bIq09QOshmx_U7gLr0wThD0oVP4I3K866S0gUskgdYZ5fT73JTsqKRqIQ8w8zkdJbwZC440B6jrR7NtnVHz_vXlEVCxf03UsbxqE_j5G0cGyg.IYXnIEC77z76_zuvsmZjQBs147eCMBw_YE2ciQy5tMVOyj5WPDhNtLdDds4LVL7iqTkcQEbkNWifw6._wp2kx5VmFAjubFI8.Kysqch_hCPOhBCs2ARZuhG.kNFGU1KGms48LqIWVPjOPZ8MEGgPbqu8AhdRVa1rb2f_HVO1kyCj7rPI_smJoz6fPscn9qrzn16fPvzZxG7X7EXR0hoc2RsCIMBWZJdLfae0Dl.ZJTb09gwTBD1LI7uZxmKqQAGuAnOrjFV.mV9rgiFWY5_JtcsYYBaKQ_obVt3pNVAoTafH5LICd2jJDsCp0084DLN2YX9iZc_WxXE9fGSZshtkHKrBXZQNrZpeAq.3nSnF6w9rjjUUjnm7pN7od_phbxFK461686Nwp3G3HyFPRyCGqOEJHVE_zV5_MM2ZL051bfPTGtjL2SCddVk6MYCSsn6HGZq0j_KXItuTXJYs.lUx7.P9h.F.tSNAfHotiHWvg35XYvRhXdXHSL25f9OeFD9MhuLe9pvoEykqcYoZ3P.CBRzkghQmhTOe.3ufvfS_L6rD2jb_Z2QGG8jBuza0nt9TMqwRzjIdlrkzHyAJZgErOh5upAFlMDlqJsWmkVIApD6rcxX0SK1Cf0QVoTHwa7TP4Hpd8LjYtGFijmjK0Pk27GxADHvNEUu8GEzXd5ODstjBz6HKxufSio5eYW3T6pTOa1dEQ39yQpKh6qVlbopnl6c_B9ylwfv9iM0ppOXcareGCBGPed7sz2ulZ5xXItiXJmgIOk9yYoQKCt6A4kFMKD53MQ2FPBMEqqMc6USfqtqtDVEUfDZJfyVc39F0yfeK54DNRXyx04lkPYGg0oGn95lVNkTYK_lPYfKM8DNZCYE9.7F.6tRnEFfqI7F.d_WJOy7BO8HyhNjBwrmZEoqClxMz630PIWcmsrsW.tAQqB9g4rKTxKXIKbsxcah6LEqLrEQixMWzv0yW.rDLAu.FzaK1XAkoYDyiekotEMxTwzJuqnbwgWkxL7O0pTU.Y_fJR3y6oXBg2h_sHj7KUb760K8c3NxRiTx7feUkGSnvqb9U4kQvPCfdN36Z3RsmSJ9KNrpwpEP7OpiP5cr3bZwFM3uELjRrfF4pSRGkgdWi_1jKYvZ5vVeqtmLqBOgBxQ9vbXoT8ZYPKnCmxFQUGR9GpAljeo76gvMK2pqAwFYo2aLKKydATh0qiGdoPK9HGJXNcLtHZhQ86Ouxrn0NbCC015dfRLPVGPv9kAxz2zE92u21rLvimmQ8f13PZsaWOy.msWjjbkRK1Z4J8GzoCiJa0OE6MfalE0Ry0Yv3G6b5kbjTUyTlhv4pS4f0k3lWyj5Of7y_zto8eV3BDS7Zzl35WT4JagGXpozromgXJVIgcSHFSkH3jrhMWeMZDjo4VpFRsdhkn7Su06LCnoKNhiKupCsByifO8.6uN7hXaEwnEm99JvlG5CQ.n_0bfrkZxrtXT6WyKu9_zXJnBrM6P2jJa6RHihR_Umf723VoRNFO.deB3AoEQjQwI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66d540badc97f';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/1862305974?__cf_chl_rt_tk=EinKMpv8zbHRflItBRIQZg2AUBgz6BCoBw.GbqvqwDY-1739131031-1.0.1.1-Kp3_bxn9EWO7Whc8o194yewHJG_chQiWe_vV9wOUhY8" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms